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12 Lewis Theory of Bonding Chemistry LibreTexts
Electron pair dot structure in the case of ammonia is a representation of the outer electrons surrounding the N atom.
The Lewis point arrangement in the case of ammonia displays that the N atom shares 1 pair of electrons with each of the three hydrogen atoms, resulting in a total of 3 joined pairs of electrons.
The ammonia molecule takes a three-sided pyramid-like structure attributed to the arrangement of the outer electrons according to its Electron pair Beverage cup structure.
In the Lewis symbol depiction of ammonia, the N atom is surrounded by three spots, each representing a pair of joined electrons with a H atom.